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Vehicle speed controlPart report

2009 Mazda RX-8 Vehicle speed control Problems

Complaints
3about this part
Share
38%of 8 total for the year
Median mileage
21,900miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the vehicle speed control of the 2009 Mazda RX-8, 38% of the 8 complaints for this model year. Where a mileage was given, the median is 21,900 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I was driving on the hwy, the cruise control was on, I had been using it for about 20 miles, occasionally bumping the speed up or down as conditions permitted. My primary reason for that is on long trips I get better gas mileage that way. The divided highway came to an end and there was a traffic light about a half mile ahead, so I bumped it down about 2 MPH, then bumped it down a few seconds later another 2 or 3 MPH. The light turned red then, so I stepped on the brakes (doing about 65 at this point). The engine reved up, the cruise control did not disengage so I stepped on the clutch. …”

NHTSA complaint #10307542, filed 2010-02, 6,080 miles

“Tl-the contact owns a 2009 Mazda rx8. While driving approximately 40 MPH the vehicle accelerated unintendedly to approximately 70 MPH. He engaged the vehicle into neutral and the engine continued to rev very hard. The contact stated he turned the ignition off to prevent the engine from blowing up. He then pulled over to the side of the road and engaged the accelerator four times and it released itself. He called the dealer after the first failure and was advised by them that they were not aware of this type of failure. The contact stated the failure had happen twice. …”

NHTSA complaint #10395522, filed 2011-04, 39,600 miles

Related service bulletins

Vehicle speed control: other model years

YearComplaintsShare of year
2009338%
200623%
2005117%
2004112%

Other parts of the 2009 Mazda RX-8

Transmission and drivetrain
3 complaints
Fuel system
2 complaints
Body and structure
1 complaints

← All problems reported for the 2009 Mazda RX-8

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology